Vikings will play outdoors for two seasons at the Univ of Minnesota, before moving in to their new stadium for the 2016 season. the new stadium will be enclosed and without a retractable roof, but the west side roof will be transparent. large (90' high) glass panels can open on the end facing the downtown business area.

attached here is an animated clip showing how destruction of the existing Metro Dome and construction of the new stadium will happen concurrently: